Bathtub



FIG. 1 is a top plan view of a bathtub showing my new design;

FIG. 2 is an elevational view taken from one side thereof, the opposite side being the same as the side shown;

FIG. 3 is an elevational view taken from one end thereof, the opposite end being the same as the end shown;

FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 1;

FIG. 5 is a cross sectional view taken on line 5--5 of FIG. 1; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a bathtub, substantially as shown and described. 